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Securities - Fair Value of Securities Available for Sale and The Related Unrealized Gains and Losses Recognized in Accumulated Comprehensive Income (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	$ 125	$ 44,335
Less than 12 months, unrealized losses	6	3,324
Fair value, more than 12 months	332,668	308,253
Unrealized loss, more than 12 months	80,131	68,682
Fair value	332,793	352,588
Unrealized losses	80,137	72,006
U.S. Government and federal agency [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
Fair value, more than 12 months	2,575	2,545
Unrealized loss, more than 12 months	396	421
Fair value	2,575	2,545
Unrealized losses	396	421
State and Municipal [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	125	13,457
Less than 12 months, unrealized losses	6	1,899
Fair value, more than 12 months	153,293	149,016
Unrealized loss, more than 12 months	42,980	37,456
Fair value	153,418	162,473
Unrealized losses	42,986	39,355
Mortgage-backed [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	25,582
Less than 12 months, unrealized losses	0	822
Fair value, more than 12 months	160,946	145,024
Unrealized loss, more than 12 months	33,599	29,046
Fair value	160,946	170,606
Unrealized losses	33,599	29,868
Corporate [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	5,296
Less than 12 months, unrealized losses	0	603
Fair value, more than 12 months	15,251	10,771
Unrealized loss, more than 12 months	3,117	1,682
Fair value	15,251	16,067
Unrealized losses	3,117	2,285
Asset-backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
Fair value, more than 12 months	603	897
Unrealized loss, more than 12 months	39	77
Fair value	603	897
Unrealized losses	$ 39	$ 77

X

- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

+ References

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-Topic 320
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-Section 50
-Paragraph 7
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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.

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